2 files changed, 2 insertions, 2 deletions
diff --git a/configure b/configure
index 4361dccf2..a3edcfcda 100755
--- a/configure
+++ b/configure
@@ -21,7 +21,7 @@
 # place.
 # Note the absence of spaces and the quotes.
 # Suffix "-dev" is used during development.
-ghdl_version="3.0.0"
+ghdl_version="4.0.0-dev"
 
 backend=mcode
 backend_version="none"
diff --git a/pyGHDL/__init__.py b/pyGHDL/__init__.py
index d29cfb0f9..600c35545 100644
--- a/pyGHDL/__init__.py
+++ b/pyGHDL/__init__.py
@@ -51,7 +51,7 @@ __author__ = "Tristan Gingold and contributors"
 __email__ = "tgingold@free.fr"
 __copyright__ = "2002-2023, Tristan Gingold and contributors"
 __license__ = "GNU General Public License v2"
-__version__ = "3.0.0"
+__version__ = "4.0.0-dev"
 __keywords__ = ["vhdl", "parser", "compiler", "simulator", "ghdl"]
 
 from pyTooling.Decorators import export